Pengaruh Cara Pengolahan Tanah dan Tanaman Kacang-kacangan sebagai Tanaman Penutup Tanah terhadap Kesuburan Tanah dan Hasil Kubis di Dataran Tinggi
Abstract
ABSTRACT. Rosliani, R., N. Sumarni, and I. Sulastrini. 2010. The Effect of Tillage Methods and Legumes as Cover Crops on Soil Fertility and Yield of Cabbage on Highland. Generally vegetable crops such as cabbage is cultivated intensively on the highland area. Cultivating vegetable crops continuously all year round can cause decreasing crop and soil productivity. To maintain sustainable production, therefore, vegetable cultivation practices should be done in a way that reduce land degradation. The experiment was conducted at farmer‘s field, Pangalengan from August to December 2005. The objective of the experiment was to find out the effect of tillage method and legumes cover crop to improve soil fertility and yield of cabbage on highland. A split plot design with four replicates was used. The main plot was tillage method, i.e. minimum (strip) tillage and conventional tillage. While the subplot was legumes cover crops, i.e stringbean, redbean, and plastic mulch as control. The results showed that minimum tillage did not significantly different to conventional tillage on soil chemical and physical properties, growth, and yield of cabbage. The cover crops of leguminose had better nutrient residual (C organic and P soil), population of soil microbial, growth, and yield of cabbage than application of plastic mulch, but did not significantly different on soil physics. Therefore, legumes cover crops could be used for improving soil fertility and yield of cabbage. Minimum tillage and application of leguminose multiplecrop on cabbage was the efficient methods of crop and soil management for maintaining crop and land productivity of cabbage in the highland.
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PDFDOI: http://dx.doi.org/10.21082/jhort.v20n1.2010.p%25p
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